Just how far will a football go in space? #spacebowl

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The countdown clock is ticking down to kick off for Super Bowl LI this Sunday. A lot of fans are prepping game day snack menus and wondering which commercial will be the best. But there are some football fans who have a little free time, and a little less gravity, who are wondering just how far a football can fly through space. And they are smart enough to figure it out for us.

The International Space Station, NASA, and the astronauts are all getting in on the fun with Twitter posts using #spacebowl. They programmed a space helper robot called Robonaut to call plays. Can you guess his signals?